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Trucks over heating and i need help diagnosing why because im in a tight spot
3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Check your thermostat just pull the thermostat and put the hose back on and see how that works
No, you can't do that. You cannot run without a thermostat. The way the system works, the way the passages are, without a thermostat not all of the flow is directed to the radiator. Basically it leaves an open chamber in the circuit allowing coolant to go wherever it wants, taking the path of least resistance. The engine will overheat. It MUST have a functioning thermostat in place.
Check the thermostat and replace it if suspect or found failed. Do not run without one.
